Sometimes, a song is a pleasure from first listen. Sometimes, it takes a little longer for me.
I hated - HATED - this song when it was new. It was 1988. I was 16. And this song didn't connect to me and it didn't interest me and it bored me. But, at the time, I was just starting to understand music outside the mainstream, and this was probably too close to the border between mainstream and alternative for me to understand.
But now, I appreciate song structure and lyrical creativity a little more. This song starts with a piano melody that reprises throughout, but has a very contemporary-sounding (for 1988) electronic beat as the base of the song. Two men - Clive Farrington and Andrew Mann, specifically - harmonize throughout. It's considered a classic song, because it is structured just like this, combining electronica with harmonized vocals.
And that chorus! Intensely catchy (and a little creepy)!